, "gorbachev's approval was key. they signed the treaty in august 31, 1990. it was the end of divided germany and the beginning of a new germany that would grow to become europe's largest economy. as he continued his speech coming he said the germans had shown tremendous solidarity toward one another. he said a similar effort must be made on the process of european integration. >> only in europe, working with our neighbors and partners in this community, can we, and will we, be able to achieve our common goals, as they are described in our national anthem, unity, justice, and freedom. >> it was a message of hope in the face of mounting economic and social tensions across the european union.